CN108232701B - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN108232701B CN108232701B CN201611191669.9A CN201611191669A CN108232701B CN 108232701 B CN108232701 B CN 108232701B CN 201611191669 A CN201611191669 A CN 201611191669A CN 108232701 B CN108232701 B CN 108232701B
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- base
- wall
- end wall
- insulating body
- electrical connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
An electric connector comprises an insulating body, a conductive terminal arranged on the insulating body and a cylindrical shielding shell which is sleeved outside the insulating body and is provided with an accommodating space, the insulation body is provided with a base arranged in the accommodating space and a tongue plate formed by extending forwards from the base, a containing cavity for containing a waterproof sheet is formed between the rear circumferential wall arranged at the rear end of the shielding shell and the base, the rear peripheral wall is provided with a first end wall and a second end wall which are staggered back and forth and are arranged oppositely in the front and rear direction, the first end wall is arranged at the back of the second end wall, the waterproof sheet is waterproof glue which is vertically arranged in the accommodating cavity of the electric connector and is injected into the accommodating cavity when the second end wall inclines to the side where the first end wall is located, the thickness of the waterproof sheet on the side where the first end wall is located is larger than that on the side where the second end wall is located. Therefore, the waterproof film is fully filled into the accommodating cavity to realize reliable waterproofing.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly to an electrical connector suitable for positive and negative insertion.
[ background of the invention ]
With the development of technology, most of the electrical connectors in the electronic devices have waterproof function. For example, chinese patent No. CN105390839A discloses an electrical connector capable of being inserted forward and backward, which includes a metal member, a printed circuit board disposed on the metal member and protruding forward, an insulating body covering the metal member and the printed circuit board, and a housing covering the metal member and the printed circuit board, wherein a waterproof portion is disposed at a rear end of the housing to prevent water vapor from flowing backward.
It is therefore important how to provide a waterproof portion in an electrical connector that needs to be waterproof to achieve reliable waterproofing.
[ summary of the invention ]
The invention aims to provide an electric connector capable of reliably preventing water.
The purpose of the invention is realized by the following technical scheme: an electric connector comprises an insulating body, a conductive terminal fixedly arranged on the insulating body and a cylindrical shielding shell which is sleeved outside the insulating body and forms a containing space which is communicated with the front and the back, the insulating body is provided with a base arranged in the accommodating space and a tongue plate which extends forwards from the base and forms a butt joint cavity with the accommodating space, a containing cavity for containing a waterproof sheet is formed between the rear circumferential wall arranged at the rear end of the shielding shell and the base, the rear peripheral wall is provided with a first end wall and a second end wall which are staggered back and forth and are arranged oppositely in the front and rear direction, the first end wall is arranged at the back of the second end wall, the waterproof sheet is waterproof glue which is injected into the accommodating cavity when the accommodating cavity of the electric connector is arranged upwards and the second end wall inclines towards the side of the first end wall, the thickness of the waterproof sheet on the side where the first end wall is located is larger than that on the side where the second end wall is located.
Further, the flashing is substantially flush with both the first and second end walls.
Furthermore, the rear end face of the waterproof sheet is an inclined plane.
Furthermore, a stop wall for stopping the base to limit the forward movement of the insulating body protrudes from the inner wall of the shielding shell to the accommodating space, the tongue plate protrudes forward out of the stop wall to form the docking cavity with the accommodating space, the electrical connector further comprises a fixing plate fixed to the stop wall for stopping the base to limit the backward movement of the insulating body, and the fixing plate is arranged adjacent to the first end wall.
Further, the stop wall further includes a first blocking wall protruding into the accommodating space and a second blocking wall located behind the first blocking wall and protruding into the accommodating space, the first blocking wall further protrudes into the accommodating space than the second blocking wall, the base abuts against the first blocking wall from back to front, and the fixing plate is fixed to the second blocking wall to block at the rear end of the base.
The base further comprises a base portion and a protruding portion extending backwards from the base portion and spaced apart from the upper surface and the lower surface of the base portion, and the fixing plate frame is abutted to the upper end of the protruding portion and stopped at the rear end face of the base portion.
Further, the conductive terminal extends from the rear end face of the base part and is held on the protruding part, and the protruding part is provided with a groove penetrating through the upper top surface and the lower top surface of the protruding part at a position corresponding to the terminal in connection with the base part.
Furthermore, a slot which penetrates through the upper top surface and the lower top surface of the protruding portion and is provided with a spacing block between the groove is arranged behind the protruding portion, protruding block portions are formed on two sides of the slot, and the conductive terminal extends backwards to form a base portion and the spacing block to form a welding portion exposed in the slot.
Furthermore, the conductive terminals comprise an upper row of conductive terminals and a lower row of conductive terminals fixed on the insulating body, the electric connector further comprises a pair of middle grounding pieces fixed between the upper row of conductive terminals and the lower row of conductive terminals and fixed on the insulating body, the pair of middle grounding pieces are respectively provided with a tail part fixed on the lug part and a welding plate part extending out of the lug part from the outer side of the tail part downwards, and the welding plate part is positioned on the outer side of the transverse direction of the welding part and is overlapped with the welding part in the front-back direction.
Furthermore, the waterproof sheet is formed by injecting waterproof glue into the rear end face of the base part and blocking the groove.
Compared with the prior art, the invention has the following beneficial effects: according to the electric connector, the rear end of the shielding shell is inserted to enable the accommodating cavity to be arranged upwards, the second end wall arranged in front of the first end wall is arranged towards the side where the first end wall is located in an inclined mode, and at the moment, waterproof glue is injected into the accommodating cavity to form the waterproof sheet, so that the thickness of the waterproof film located on the side of the first end wall is larger than that of the waterproof film located on the side of the second end wall, and reliable waterproof is achieved.
[ description of the drawings ]
Fig. 1 is a perspective assembly view of the electrical connector of the present invention.
Fig. 2 is a perspective assembly view of fig. 1 from another perspective.
Fig. 3 is an exploded perspective view of the electrical connector of the present invention.
Fig. 4 is an exploded perspective view of fig. 3 from another perspective.
Fig. 5 is an exploded perspective view of a terminal module of the electrical connector of the present invention.
Fig. 6 is an exploded perspective view of fig. 5 from another perspective.
Fig. 7 is a side view of the connector of the present invention.
Fig. 8 is a perspective view of the connector waterproof sheet of the present invention when not injected.
Fig. 9 is a cross-sectional view of the electrical connector of fig. 1 taken along line a-a, wherein the rear end of the connector is disposed upwardly and inclined at an angle a before glue is injected.
Fig. 10 is a cross-sectional view of the electrical connector of fig. 1 taken along line a-a.
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
[ detailed description ] embodiments
Referring to fig. 1 to 10, an electrical connector 1000 according to the present invention includes a terminal module 100, a shielding shell 200 sleeved outside the terminal module 100, a waterproof sheet 300 for sealing a rear end of the terminal module 100 to prevent moisture from flowing into a space between the terminal module 100 and the shielding shell 200, and a waterproof ring 400 sleeved at a front end of the shielding shell. The terminal module 100 includes an insulating body 1, a conductive terminal 2 fixed on the insulating body 1, and an intermediate grounding plate 3.
The shielding case 200 is cylindrical and has a front-rear through receiving space 201, and the insulating housing 1 is received in the receiving space 201. Mounting pieces 20 having mounting holes for fixing the electrical connector 1000 to a circuit board (not shown) are formed extending from both side walls of the shield case 200. The conductive terminal 2 includes an upper row terminal 21 and a lower row terminal 22 fixed on the upper and lower sides of the insulating body 1, respectively, and the upper row terminal 21 and the lower row terminal 22 include a contact portion 23 exposed on the upper and lower sides of the tongue plate 12, a fixing portion 24 fixed in the base 11, and a soldering portion 25 extending out of the base 11. The tongue plate 12 includes a tongue portion 121 and a covering portion 122 extending forward from the base 11, the upper row of conductive terminals 21 and the lower row of conductive terminals 22 are integrally formed on the upper and lower sides of the tongue portion 121, and the covering portion 122 is secondarily formed on the tongue portion 121 to reinforce the strength of the tongue portion 121. A pair of the middle grounding pieces 3 is further fixedly arranged between the upper row of conductive terminals 21 and the lower row of conductive terminals 22 fixed on the insulating body 1, and the middle grounding pieces 3 are respectively positioned at the two transverse ends of the insulating body 1. The two lateral sides of the tongue plate 12 are respectively recessed with a recess 123 for the snap-fit of the mating connector (not shown), and the outer edge of the middle grounding plate 3 is exposed in the recess 123 to achieve grounding with the mating connector (not shown).
A rear peripheral wall 202 is disposed at the rear end of the shielding shell 200, and an accommodating cavity 203 for accommodating the waterproof sheet 300 is formed between the rear peripheral wall 202 and the base 11. The rear peripheral wall 202 is disposed offset in the front-rear direction and has a first end wall 2021 and a second end wall 2022 disposed opposite to each other, and the first end wall 2021 is disposed rearward in the front-rear direction than the second end wall 2022. In order to make the waterproof sheet 300 formed after the waterproof glue is injected into the accommodating cavity 203 climb along the first end wall 2021 and the second end wall 2022 as much as possible without overflowing, when glue is injected, the rear end of the electrical connector 1000 is arranged upward and the front end thereof is arranged downward and inclined at an angle a, that is, the accommodating cavity 203 is arranged upward and the second end wall 2022 is arranged at an angle a inclined to the side of the first end wall 2021, so that after the waterproof glue is injected into the accommodating cavity 203, the waterproof glue can climb up along the first end wall 2021 and the second end wall 2022 as much as possible without overflowing from the side of the first end wall 2021, and thus the thickness of the finally formed waterproof sheet 300 on the side of the first end wall 2021 is greater than the thickness of the waterproof glue 300 on the side of the second end wall 2022, and reliable waterproof is achieved. Preferably, after the second end wall 2022 is inclined to the first end wall 2021 by an angle a, the second end wall 2022 is flush with the first end wall 2021, and at this time, the waterproof sheet 300 is substantially flush with the first end wall 2021 and the second end wall 2022, so as to have the best waterproof effect. In addition, the rear end face of the waterproof sheet 300 after glue injection is an inclined plane, so that the whole waterproof sheet is attractive.
The shielding shell 200 is specifically matched with the insulating body 1, a stop wall for stopping the base 11 to limit the forward movement of the insulating body 1 is protruded from the inner wall of the shielding shell 200 into the accommodating space 201, and the tongue plate 121 protrudes forward out of the stop wall to form the butt-joint cavity with the accommodating space 201. In order to limit the backward movement of the insulating body 1 in the shielding shell 200, the electrical connector 1000 further includes a fixing plate 4 fixed on the stopping wall and stopping the rear end of the base 11. Specifically, the stop wall includes a first blocking wall 2041 protruding into the accommodating space 201 and a second blocking wall 2042 protruding into the accommodating space 201 and located behind the first blocking wall 2041 in the front-back direction, and the first blocking wall 2041 protrudes into the accommodating space 201 further than the second blocking wall 2042 (i.e., the first blocking wall 2041 protrudes more than the second blocking wall 2042 in the lateral direction); the base 11 includes a base 111 and a protruding portion 112 extending from a rear end surface 1111 of the base 111, the protruding portion 112 is spaced apart from upper and lower surfaces and left and right sides of the base 111, a front end of the base 111 abuts against the first blocking wall 2041 forward, the protruding portion 112 is limited between a pair of the second blocking walls 2042 of two side walls of the shielding shell 200 to prevent lateral movement thereof, the fixing plate 4 is an inverted U-shaped structure, the fixing plate 4 is supported against an upper end of the protruding portion 112 (the fixing plate 4 is disposed adjacent to the first end wall) and is stopped at the rear end surface 1111 of the base 111, and the fixing plate 4 is welded and fixed (or in other fixing forms) on the second blocking walls 2042 to limit the rearward movement of the insulating body 1 in the front-rear direction. Of course, the first blocking wall 2041 and the second blocking wall 2042 may be disposed at any position of the inner wall of the shielding shell 200, for example, in order to better limit the backward movement of the insulating body 1, a second blocking wall 2042 is also disposed at the inner wall of the shielding shell 200 corresponding to the upper wall for welding and fixing the fixing plate 4. After the waterproof glue is injected into the accommodating cavity 203, the fixing plate 4 is blocked by the waterproof sheet 300 formed by the waterproof glue.
The conductive terminal 2 extends from the rear end surface 1111 of the base 111 and is fixed to the protruding portion 112, and the soldering portion 25 is formed by extending the conductive terminal 2 rearward out of the protruding portion 112. In order to better seal the rear end of the base 111 by the waterproof sheet 300, the protruding portion 112 penetrates through the upper and lower top surfaces of the base 111 at a position corresponding to the conductive terminal 2 when connected to the rear end surface 1111 of the base 111, and the fixing piece 4 does not protrude rearward beyond the groove 1121 in the front-rear direction, so that the glue can flow into and seal the groove 1121 when the waterproof glue is injected, thereby enabling the waterproof sheet 300 to closely adhere to the rear end surface 1111 of the base 111 to achieve reliable waterproofing. In addition, a slot 1122 penetrating through the upper and lower top surfaces of the protruding portion 112 and provided with a spacer 1120 between the recess 1121 is further disposed behind the protruding portion 112, a bump portion 1123 is formed at both lateral sides of the slot 1122, and the soldering portion 25 of the conductive terminal 2 is formed in the slot after the conductive terminal extends backward out of the base portion and the spacer. The pair of intermediate ground pads 3 has a tail portion 31 extending out of the base portion 111 and held in the bump portion 1123, and a soldering plate portion 32 extending downward from an outer side of the tail portion 31 to the bump portion 1123, the pair of soldering plate portions 32 are respectively located at outer sides of the soldering portion 25 in the transverse direction and overlap with the soldering portion 25 in the front-rear direction, and further, the shielding shell 200 is also provided at the rear end with holding soldering feet 205, the holding soldering feet 205 are located at both outer sides of the soldering plate portion 32 in the transverse direction and overlap with the soldering plate portion 32 in the front-rear direction. Thus, the electrical connector 1000 has better interference shielding performance as a whole.
The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.
Claims (9)
1. An electric connector comprises an insulating body, a conductive terminal fixedly arranged on the insulating body and a cylindrical shielding shell sleeved outside the insulating body and forming a containing space which is communicated with the front and the back, wherein the insulating body is provided with a base arranged in the containing space and a tongue plate which extends forwards from the base and forms a butt joint cavity with the containing space, a containing cavity for containing a waterproof sheet is formed between a rear peripheral wall arranged at the rear end of the shielding shell and the base, and the electric connector is characterized in that: the rear peripheral wall is provided with a first end wall and a second end wall which are staggered from front to back and are arranged oppositely in the front-rear direction, the first end wall is arranged close to the rear side compared with the second end wall, the waterproof sheet is a waterproof glue which is arranged upwards in the accommodating cavity of the electric connector and is injected into the accommodating cavity when the second end wall inclines towards the side where the first end wall is located, the thickness of the waterproof sheet on the side where the first end wall is located is larger than that of the waterproof sheet on the side where the second end wall is located, and the waterproof sheet is approximately flush with the first end wall and the second end wall.
2. The electrical connector of claim 1, wherein: the rear end face of the waterproof sheet is an inclined plane.
3. The electrical connector of claim 1, wherein: the inner wall of the shielding shell protrudes to the accommodating space to form a stop wall for stopping the base to limit the forward movement of the insulating body, the tongue plate protrudes forward to form the butt joint cavity with the accommodating space, the electric connector further comprises a fixing plate fixed on the stop wall and used for stopping the base to limit the backward movement of the insulating body, and the fixing plate is arranged close to the first end wall.
4. The electrical connector of claim 3, wherein: the stop wall further comprises a first stop wall protruding into the accommodating space and a second stop wall located behind the first stop wall and protruding into the accommodating space, the first stop wall further protrudes into the accommodating space than the second stop wall, the base abuts against the first stop wall from back to front, and the fixing plate is fixed to the second stop wall to stop at the rear end of the base.
5. The electrical connector of claim 4, wherein: the base further comprises a base portion and a protruding portion which extends backwards from the base portion and is spaced apart from the upper surface and the lower surface of the base portion, and the fixing plate frame is abutted to the upper end of the protruding portion and stopped at the rear end face of the base portion.
6. The electrical connector of claim 5, wherein: the conductive terminal extends from the rear end face of the base part and is fixedly held on the protruding part, and the protruding part is connected with the base part and penetrates through the upper top surface and the lower top surface of the protruding part at a position corresponding to the terminal to be provided with a groove.
7. The electrical connector of claim 6, wherein: and a slot which is communicated with the upper top surface and the lower top surface of the protruding part and is provided with a spacing block between the groove is arranged at the rear part of the protruding part, protruding block parts are formed at two sides of the slot, and the conductive terminal extends backwards to form a base part and the spacing block to form a welding part exposed in the slot.
8. The electrical connector of claim 7, wherein: the electric connector also comprises a pair of middle grounding pieces which are fixed on the insulating body and positioned between the upper row of conductive terminals and the lower row of conductive terminals, the pair of middle grounding pieces are respectively provided with a tail part fixedly held on the lug part and a welding plate part extending out of the lug part downwards from the outer side of the tail part, and the welding plate part is positioned on the outer side of the transverse direction of the welding part and is overlapped with the welding part in the front-back direction.
9. The electrical connector of claim 7, wherein: the waterproof sheet is formed by injecting waterproof glue into the rear end face of the base part and plugging the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191669.9A CN108232701B (en) | 2016-12-21 | 2016-12-21 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191669.9A CN108232701B (en) | 2016-12-21 | 2016-12-21 | Electrical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108232701A CN108232701A (en) | 2018-06-29 |
| CN108232701B true CN108232701B (en) | 2020-03-31 |
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ID=62650868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611191669.9A Active CN108232701B (en) | 2016-12-21 | 2016-12-21 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108232701B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203637068U (en) * | 2013-12-31 | 2014-06-11 | 深圳随尔精密科技有限公司 | Obliquely-arranged rapid forming mold |
| CN204361372U (en) * | 2014-11-14 | 2015-05-27 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN105449443A (en) * | 2015-02-11 | 2016-03-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
| CN205429282U (en) * | 2015-12-18 | 2016-08-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363652U (en) * | 2011-12-12 | 2012-08-01 | 东莞昆嘉电子有限公司 | Electric connector |
-
2016
- 2016-12-21 CN CN201611191669.9A patent/CN108232701B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203637068U (en) * | 2013-12-31 | 2014-06-11 | 深圳随尔精密科技有限公司 | Obliquely-arranged rapid forming mold |
| CN204361372U (en) * | 2014-11-14 | 2015-05-27 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN105449443A (en) * | 2015-02-11 | 2016-03-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector and manufacturing method thereof |
| CN205429282U (en) * | 2015-12-18 | 2016-08-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108232701A (en) | 2018-06-29 |
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